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KCX-017 White Tail USB Doctor Voltage Current Detector Power Tester 0.05A-3.5A measuring range / 0.01V resolution / LCD display / backlit ↓ details & specifications
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Estimate: 2/15/2022 (19 days)
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Product Type USB Testers
Color White
Electronic Components
Input Voltage 3-15 -volt
Package Type Plain
Package Contents 1*USB Tester
Dimensions us | metric
Depth 20 mm
Height 60 mm
Width 30 mm
Product Weight 40 g
SKU 8939600
DATE LISTED 9/17/2017
  • Input Voltage: 3-15V
  • Input Current: 0.05-3.5A
  • Measurement error: ±1%
  • Capacity range : 0-19999mAh
  • When the display is closed, click the button to open the display.Then click the button turns to view data in each group,click one time, the screen will display next group of data, the group of digital flash 5 seconds, after 5 seconds without any operation , the screen will come back to show the current  group data. Double click the button to switch to the next group of capacity data record; Holding button (about 2-3 seconds) , current data will be deleted ;
  • 5 minutes without any operation, the display backlit automatically shut down.
  • When the voltage is over than 13V or lower than 4.6V, the voltage display data flashing (frequency 1Hz), buzzer sound alarm (D-, every 5 seconds); when the voltage is higher than 15V, USB port will be shut down automatically in order to protect the device , and Buzzer will alarm (Sound: "D – D – D" repeated every 5 seconds).
  • When output current is over 3.1A, the electric current data will flash (1Hz frequency), buzzer will alarm (D-, every 5 seconds); when the output current is over 3.5A, USB port will be shut down automatically in order to protect the device , and buzzer will alarm ( Sound: "D – D – D" repeated every 5 seconds)
  • Over voltage (more than 15V) or over current (more than 3.5A) shut off output, to prevent the twice damage to the load device without monitoring, this item have to be shut down( it means just  take out from power) then use again.
  • Input Voltage must not over 15V, otherwise it may cause permanent damage to the equipment.
  • If you use "USB load resistance" (sell separately), must not work for a long time during electric current is over 3A;
  • To ensure the equipment universal fast charging automatic recognition function, power supply voltage shall be 4.6~15V.

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Voltage Tester
by franciscobp92
Customer Video Review
KCX-017 Voltage Tester
by franciscobp92


  • JoinedApr 2018
  • Posts 0
  • Reviews 2
  • Kudos0
› Quality
› Value
Great usb tester, works well!
Reviewed on 9/9/2018 Was this review helpful to you? Yes / No


  • JoinedDec 2016
  • Posts 0
  • Reviews 57
  • Kudos0
› Quality
› Value
Plastic feels cheap
Good to monitor your charging performance. Easy to use, just plug and do the job. The plastic seems cheap, the light escapes through the joints.
Reviewed on 3/22/2018 Was this review helpful to you? Yes / No


  • JoinedFeb 2013
  • Posts 0
  • Reviews 151
  • Kudos0
› Quality
› Value
Ability to Test Up To 15V The USB Tail Allows Flexibility Shows Voltage Shows Ampere Shows Capacity Has Memory and Reset
Cheap Feel Glass Came with a big Scratch
Great USB Tester with USB Tail which allows you to be flexible with your testing methods. It will be able to reach your testing device while your LOAD sits comfortably on the table instead of plugged ... (read full review)
Reviewed on 12/12/2017 Was this review helpful to you? Yes / No


  • JoinedDec 2013
  • Posts 103
  • Reviews 97
  • Kudos25
› Quality
› Value
Up to 15v input Can monitor QC2 charging Multi mode display Multi function
Cannot monitor QC3
Feels solid. Good to monitor your charging performance. Works well with IQ and QC2 chargers. Plug & play with some advance features.
Reviewed on 11/17/2017 Was this review helpful to you? Yes / No
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